Inflatable crown liner for a protective helmet



FIG. 1 is a bottom plan view of an inflatable crown liner for a protective helmet showing our design, the crown liner appearing as if it were viewed when looking into the protective helmet (not shown);

FIG. 2 is a right side elevational view of the crown liner of FIG. 1;

FIG. 3 is a left side elevational view of the crown liner of FIG. 1;

FIG. 4 is a rear elevational view of the crown liner of FIG. 1;

FIG. 5 is a front elevational view of the crown liner of FIG. 1; and,

FIG. 6 is a top plan view of the crown liner of FIG. 1. 

The ornamental design for an inflatable crown liner for a protective helmet, as shown and described. 